84439990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{444421}}^1$

素因数の和:444447

約数の個数: 16

約数和(自身を含む): 159991920

約数和(自身を除く): 75551930

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 444421, 888842, 2222105, 4444210, 8443999, 16887998, 42219995, 84439990]

約数ペア:

[(1, 84439990), (2, 42219995), (5, 16887998), (10, 8443999), (19, 4444210), (38, 2222105), (95, 888842), (190, 444421)]